"""
Ride media serializers for ThrillWiki API v1.

This module contains serializers for ride-specific media functionality.
"""

from rest_framework import serializers
from apps.rides.models import RidePhoto


class RidePhotoOutputSerializer(serializers.ModelSerializer):
    """Output serializer for ride photos."""

    uploaded_by_username = serializers.CharField(
        source='uploaded_by.username', read_only=True)
    file_size = serializers.ReadOnlyField()
    dimensions = serializers.ReadOnlyField()
    ride_slug = serializers.CharField(source='ride.slug', read_only=True)
    ride_name = serializers.CharField(source='ride.name', read_only=True)
    park_slug = serializers.CharField(source='ride.park.slug', read_only=True)
    park_name = serializers.CharField(source='ride.park.name', read_only=True)

    class Meta:
        model = RidePhoto
        fields = [
            'id',
            'image',
            'caption',
            'alt_text',
            'is_primary',
            'is_approved',
            'photo_type',
            'created_at',
            'updated_at',
            'date_taken',
            'uploaded_by_username',
            'file_size',
            'dimensions',
            'ride_slug',
            'ride_name',
            'park_slug',
            'park_name',
        ]
        read_only_fields = [
            'id',
            'created_at',
            'updated_at',
            'uploaded_by_username',
            'file_size',
            'dimensions',
            'ride_slug',
            'ride_name',
            'park_slug',
            'park_name',
        ]


class RidePhotoCreateInputSerializer(serializers.ModelSerializer):
    """Input serializer for creating ride photos."""

    class Meta:
        model = RidePhoto
        fields = [
            'image',
            'caption',
            'alt_text',
            'photo_type',
            'is_primary',
        ]


class RidePhotoUpdateInputSerializer(serializers.ModelSerializer):
    """Input serializer for updating ride photos."""

    class Meta:
        model = RidePhoto
        fields = [
            'caption',
            'alt_text',
            'photo_type',
            'is_primary',
        ]


class RidePhotoListOutputSerializer(serializers.ModelSerializer):
    """Simplified output serializer for ride photo lists."""

    uploaded_by_username = serializers.CharField(
        source='uploaded_by.username', read_only=True)

    class Meta:
        model = RidePhoto
        fields = [
            'id',
            'image',
            'caption',
            'photo_type',
            'is_primary',
            'is_approved',
            'created_at',
            'uploaded_by_username',
        ]
        read_only_fields = fields


class RidePhotoApprovalInputSerializer(serializers.Serializer):
    """Input serializer for photo approval operations."""

    photo_ids = serializers.ListField(
        child=serializers.IntegerField(),
        help_text="List of photo IDs to approve"
    )
    approve = serializers.BooleanField(
        default=True,
        help_text="Whether to approve (True) or reject (False) the photos"
    )


class RidePhotoStatsOutputSerializer(serializers.Serializer):
    """Output serializer for ride photo statistics."""

    total_photos = serializers.IntegerField()
    approved_photos = serializers.IntegerField()
    pending_photos = serializers.IntegerField()
    has_primary = serializers.BooleanField()
    recent_uploads = serializers.IntegerField()
    by_type = serializers.DictField(
        child=serializers.IntegerField(),
        help_text="Photo counts by type"
    )


class RidePhotoTypeFilterSerializer(serializers.Serializer):
    """Serializer for filtering photos by type."""

    photo_type = serializers.ChoiceField(
        choices=[
            ('exterior', 'Exterior View'),
            ('queue', 'Queue Area'),
            ('station', 'Station'),
            ('onride', 'On-Ride'),
            ('construction', 'Construction'),
            ('other', 'Other'),
        ],
        required=False,
        help_text="Filter photos by type"
    )